172237125563 has 2 divisors, whose sum is σ = 172237125564. Its totient is φ = 172237125562.

The previous prime is 172237125461. The next prime is 172237125569. The reversal of 172237125563 is 365521732271.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 172237125563 - 2¹² = 172237121467 is a prime.

It is not a weakly prime, because it can be changed into another prime (172237125569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86118562781 + 86118562782.

It is an arithmetic number, because the mean of its divisors is an integer number (86118562782).

Almost surely, 2^172237125563 is an apocalyptic number.

172237125563 is a deficient number, since it is larger than the sum of its proper divisors (1).

172237125563 is an equidigital number, since it uses as much as digits as its factorization.

172237125563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 529200, while the sum is 44.

The spelling of 172237125563 in words is "one hundred seventy-two billion, two hundred thirty-seven million, one hundred twenty-five thousand, five hundred sixty-three".